Question

an object of height 3 cm is placed at 10 cm from a concave lens of focal length 15 cm. find the size of the image.​

Answer 1

Answer:

given height,h=3cm

object distance,u=-10cm

focal length,f=15 cm

Explanation:

we know that,

1/v - 1/u= 1/f

1/v= 1/f +1/u

= 1/15 +1/-10

=